#!/bin/bash -e

OUTPUT_DIR=$PWD

SOURCE_DIR=$(readlink -f $(dirname ${BASH_SOURCE[0]}))

VERSION=$(cd "$SOURCE_DIR" && git describe --tags --abbrev=8 --dirty)

DOCKER_TAG=$(docker build -q - <<EOS
FROM debian:9-slim
RUN apt-get update && apt-get install -y wget cmake g++ libsqlite3-dev libboost-filesystem1.62-dev zlib1g-dev
EOS
)

docker run --rm -i -v $SOURCE_DIR:/laminar:ro -v $OUTPUT_DIR:/output $DOCKER_TAG bash -xe <<EOS

mkdir /build
cd /build

wget -O capnproto.tar.gz https://github.com/capnproto/capnproto/archive/06a7136708955d91f8ddc1fa3d54e620eacba13e.tar.gz
wget -O rapidjson.tar.gz https://github.com/miloyip/rapidjson/archive/v1.1.0.tar.gz
md5sum -c <<EOF
a24b4d6e671d97c8a2aacd0dd4677726  capnproto.tar.gz
badd12c511e081fec6c89c43a7027bce  rapidjson.tar.gz
EOF

tar xzf capnproto.tar.gz
tar xzf rapidjson.tar.gz

cd /build/capnproto-06a7136708955d91f8ddc1fa3d54e620eacba13e/c++/
cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=off .
make -j4
make install

cd /build/rapidjson-1.1.0/
cmake -DRAPIDJSON_BUILD_EXAMPLES=off .
make install

cd /build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/ /laminar
make -j4
mkdir laminar
make DESTDIR=laminar install/strip

mkdir laminar/DEBIAN
cat <<EOF > laminar/DEBIAN/control
Package: laminar
Version: $VERSION
Section: 
Priority: optional
Architecture: amd64
Maintainer: Oliver Giles <web ohwg net>
Depends: libsqlite3-0, libboost-filesystem1.62.0, zlib1g
Description: Lightweight Continuous Integration Service
EOF
cat <<EOF > laminar/DEBIAN/postinst
#!/bin/bash
echo Creating laminar user with home in /var/lib/laminar
useradd -r -d /var/lib/laminar -s /usr/sbin/nologin laminar
mkdir -p /var/lib/laminar/cfg/{jobs,nodes,scripts}
chown -R laminar: /var/lib/laminar
EOF
chmod +x laminar/DEBIAN/postinst

dpkg-deb --build laminar
mv laminar.deb /output/laminar-$VERSION-1-amd64.deb
EOS